June is the cheapest month to fly this route, with average fares around $689 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $723 | $662 | ||
| June 2026 | $689 | $623 | Best | |
| July 2026 | $813 | $695 | ||
| August 2026 | $871 | $752 | Peak |
Departing on Wednesday offers the lowest average fares at $723. Saturday departures are the most expensive at $818, a difference of $95.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Miami to Buenos Aires is June, with average round-trip fares around $689. The lowest fare found in June is $623.
Wednesday departures are the cheapest, averaging $723 round trip. The most expensive day is Saturday at $818.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $871 compared to $689 in the cheapest month. July is a solid middle-ground option at $813.
Flying in June instead of August can save you approximately $182 per round trip. The cheapest month averages $689 while the most expensive averages $871.
Airlines, flight times, price calendar, and more for Miami to Buenos Aires
View MIA → EZE Details